Flight Pudong International Airport departs from Shanghai Pudong International Airport at 14:45 and arrives at Zhanjiang Zhanjiang Airport at 17:40.
The flighttime is about 10h 55m. The distance travelled ("as the bird flies"): 1358 Km. So the average speed is roughly 124 Km.
There is an 8 hour time difference between Shanghai and Zhanjiang